Inventor · Munich, DE

Rainer Koefferlein

6Patents
4h-index
4Co-inventors
46Inventor score

Filing activity: May 6, 1982 → Nov 22, 1993

Most-cited inventions

PatentTitleAreaCited byStatus
US5124732A Electrophotographic printer means with regulated electrophotographic process Physics 16 Expired
US4737045A Paper web stacking controlled by electronic motor controlled by form length Performing Operations; Transporting 15 Expired
US4461238A Magnetic brush developing station Physics 9 Expired
US4952979A Isorunning-counterrunning developer station for an electrophotographic means Physics 4 Expired
US5400125A Transfer station with pressure element for an electrographic printer or copier means Physics 4 Expired
US5023664A Non-mechanical printer or copier means comprising an exposure means arranged in the development region Physics 2 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.